support exclusive action groups in the contextual actions

src/scriptengines/qml/plasmoid/appletinterface.cpp

@@ -8,6 +8,7 @@
 #include "appletinterface.h"
 
 #include <QAction>
+#include <QActionGroup>
 #include <QDir>
 #include <QFile>
 #include <QIcon>
@@ -418,6 +419,25 @@ QString AppletInterface::file(const QString &fileType, const QString &filePath)
     return appletScript()->filePath(fileType, filePath);
 }
 
+QList<QObject *> AppletInterface::contextualActionsObjects() const
+{
+    QList<QObject *> actions;
+    Plasma::Applet *a = applet();
+    if (a->failedToLaunch()) {
+        return actions;
+    }
+
+    for (const QString &name : qAsConst(m_actions)) {
+        QAction *action = a->actions()->action(name);
+
+        if (action) {
+            actions << action;
+        }
+    }
+
+    return actions;
+}
+
 QList<QAction *> AppletInterface::contextualActions() const
 {
     QList<QAction *> actions;
@@ -449,9 +469,26 @@ void AppletInterface::setActionSeparator(const QString &name)
         action->setSeparator(true);
         a->actions()->addAction(name, action);
         m_actions.append(name);
+        Q_EMIT contextualActionsChanged();
     }
 }
 
+void AppletInterface::setActionGroup(const QString &actionName, const QString &group)
+{
+    Plasma::Applet *a = applet();
+    QAction *action = a->actions()->action(actionName);
+
+    if (!action) {
+        return;
+    }
+
+    if (!m_actionGroups.contains(group)) {
+        m_actionGroups[group] = new QActionGroup(this);
+    }
+
+    action->setActionGroup(m_actionGroups[group]);
+}
+
 void AppletInterface::setAction(const QString &name, const QString &text, const QString &icon, const QString &shortcut)
 {
     Plasma::Applet *a = applet();
@@ -465,6 +502,7 @@ void AppletInterface::setAction(const QString &name, const QString &text, const
 
         Q_ASSERT(!m_actions.contains(name));
         m_actions.append(name);
+        Q_EMIT contextualActionsChanged();
 
         connect(action, &QAction::triggered, this, [this, name] {
             executeAction(name);

src/scriptengines/qml/plasmoid/appletinterface.h

@@ -21,6 +21,7 @@
 #include "declarativeappletscript.h"
 
 class QAction;
+class QActionGroup;
 class QmlAppletScript;
 class QSizeF;
 
@@ -250,6 +251,7 @@ class AppletInterface : public PlasmaQuick::AppletQuickItem
      */
     Q_PROPERTY(KPluginMetaData metaData READ metaData CONSTANT)
 
+    Q_PROPERTY(QList<QObject *> contextualActions READ contextualActionsObjects NOTIFY contextualActionsChanged)
 public:
     AppletInterface(DeclarativeAppletScript *script, const QVariantList &args = QVariantList(), QQuickItem *parent = nullptr);
     ~AppletInterface() override;
@@ -258,6 +260,9 @@ public:
 
     DeclarativeAppletScript *appletScript() const;
 
+    // This is for QML which only supports QList<QObject *>
+    QList<QObject *> contextualActionsObjects() const;
+
     QList<QAction *> contextualActions() const;
 
     void executeAction(const QString &name);
@@ -272,6 +277,8 @@ public:
     Q_INVOKABLE void setConfigurationRequired(bool needsConfiguring, const QString &reason = QString());
 
     Q_INVOKABLE void setActionSeparator(const QString &name);
+
+    Q_INVOKABLE void setActionGroup(const QString &action, const QString &group);
     /**
      * Add an action to the Plasmoid contextual menu.
      * When the action is triggered a function called action_<name> will be called, if there is no function with that name actionTriggered(name) will be called instead.
@@ -466,6 +473,7 @@ Q_SIGNALS:
     void availableScreenRegionChanged();
     void availableScreenRectChanged();
     void constraintHintsChanged();
+    void contextualActionsChanged();
 
     void userConfiguringChanged();
     void globalShortcutChanged();
@@ -496,6 +504,7 @@ private Q_SLOTS:
 private:
 
     QStringList m_actions;
+    QHash<QString, QActionGroup *> m_actionGroups;
 
     KDeclarative::ConfigPropertyMap *m_configuration;
     DeclarativeAppletScript *m_appletScriptEngine;